Home / 142,689.36-214,035.66-37,518.96

Finding the Fourth Proportional to 142,689.36, 214,035.66 and 37,518.96

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Solution

The fourth proportional to 142,689.36, 214,035.66 and 37,518.96 is: 56,278.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,689.36 : 214,035.66 = 37,518.96 : x
  2. Step 2: Convert to fraction form
    142,689.36/214,035.66 = 37,518.96/x
  3. Step 3: Cross multiply
    142,689.36x = 214,035.66 × 37,518.96
  4. Step 4: Simplify right side
    142,689.36x = 8,030,395,366.11
  5. Step 5: Solve for x
    x = 8,030,395,366.11/142,689.36
  6. Step 6: Final answer
    x = 56,278.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.